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authorKristoffer Ericson <kristoffer.ericson@gmail.com>2007-09-26 00:02:49 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2007-09-26 00:02:49 -0400
commitb0a4e1aa4063550faf7bc1c33b37c587796e931f (patch)
treea5797d16d6bcf071faef0e8b436b6cac23ab4ef3 /drivers/input
parent2aa2cb9e7a20910d890f874e16a43a81b725ec54 (diff)
Input: add support for HP Jornada 7xx onboard keyboard
The driver supports onboard keyboards of HP Jornada 710/720/728 Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/keyboard/Kconfig10
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/jornada720_kbd.c181
3 files changed, 192 insertions, 0 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 1881900f24c8..18303f2bbafd 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -219,6 +219,16 @@ config KEYBOARD_HP6XX
219 To compile this driver as a module, choose M here: the 219 To compile this driver as a module, choose M here: the
220 module will be called jornada680_kbd. 220 module will be called jornada680_kbd.
221 221
222config KEYBOARD_HP7XX
223 tristate "HP Jornada 7XX Keyboard Driver"
224 depends on SA1100_JORNADA720_SSP && SA1100_SSP
225 help
226 Say Y here to add support for the HP Jornada 7xx (710/720/728)
227 onboard keyboard.
228
229 To compile this driver as a module, choose M here: the
230 module will be called jornada720_kbd.
231
222config KEYBOARD_OMAP 232config KEYBOARD_OMAP
223 tristate "TI OMAP keypad support" 233 tristate "TI OMAP keypad support"
224 depends on (ARCH_OMAP1 || ARCH_OMAP2) 234 depends on (ARCH_OMAP1 || ARCH_OMAP2)
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 7ecd2b05a28a..4cc7dc947db1 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -22,4 +22,5 @@ obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keyboard.o
22obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o 22obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o
23obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o 23obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o
24obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o 24obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o
25obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o
25 26
diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c
new file mode 100644
index 000000000000..dd8a037f7281
--- /dev/null
+++ b/drivers/input/keyboard/jornada720_kbd.c
@@ -0,0 +1,181 @@
1/*
2 * drivers/input/keyboard/jornada720_kbd.c
3 *
4 * HP Jornada 720 keyboard platform driver
5 *
6 * Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@Gmail.com>
7 *
8 * Copyright (C) 2006 jornada 720 kbd driver by
9 Filip Zyzniewsk <Filip.Zyzniewski@tefnet.plX
10 * based on (C) 2004 jornada 720 kbd driver by
11 Alex Lange <chicken@handhelds.org>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 *
17 */
18#include <linux/device.h>
19#include <linux/errno.h>
20#include <linux/init.h>
21#include <linux/interrupt.h>
22#include <linux/init.h>
23#include <linux/input.h>
24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/platform_device.h>
27
28#include <asm/arch/jornada720.h>
29#include <asm/hardware.h>
30
31MODULE_AUTHOR("Kristoffer Ericson <Kristoffer.Ericson@gmail.com>");
32MODULE_DESCRIPTION("HP Jornada 710/720/728 keyboard driver");
33MODULE_LICENSE("GPLv2");
34
35static unsigned short jornada_std_keymap[128] = { /* ROW */
36 0, KEY_ESC, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, /* #1 */
37 KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE, /* -> */
38 0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, /* #2 */
39 KEY_0, KEY_MINUS, KEY_EQUAL,0, 0, 0, /* -> */
40 0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, /* #3 */
41 KEY_P, KEY_BACKSLASH, KEY_BACKSPACE, 0, 0, 0, /* -> */
42 0, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L, /* #4 */
43 KEY_SEMICOLON, KEY_LEFTBRACE, KEY_RIGHTBRACE, 0, 0, 0, /* -> */
44 0, KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_COMMA, /* #5 */
45 KEY_DOT, KEY_KPMINUS, KEY_APOSTROPHE, KEY_ENTER, 0, 0,0, /* -> */
46 0, KEY_TAB, 0, KEY_LEFTSHIFT, 0, KEY_APOSTROPHE, 0, 0, 0, 0, /* #6 */
47 KEY_UP, 0, KEY_RIGHTSHIFT, 0, 0, 0,0, 0, 0, 0, 0, KEY_LEFTALT, KEY_GRAVE, /* -> */
48 0, 0, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0,0, KEY_KPASTERISK, /* -> */
49 KEY_LEFTCTRL, 0, KEY_SPACE, 0, 0, 0, KEY_SLASH, KEY_DELETE, 0, 0, /* -> */
50 0, 0, 0, KEY_POWER, /* -> */
51};
52
53struct jornadakbd {
54 unsigned short keymap[ARRAY_SIZE(jornada_std_keymap)];
55 struct input_dev *input;
56};
57
58static irqreturn_t jornada720_kbd_interrupt(int irq, void *dev_id)
59{
60 struct platform_device *pdev = dev_id;
61 struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
62 u8 count, kbd_data;
63
64 /* startup ssp with spinlock */
65 jornada_ssp_start();
66
67 if (jornada_ssp_inout(GETSCANKEYCODE) != TXDUMMY) {
68 printk(KERN_DEBUG
69 "jornada720_kbd: "
70 "GetKeycode command failed with ETIMEDOUT, "
71 "flushed bus\n");
72 } else {
73 /* How many keycodes are waiting for us? */
74 count = jornada_ssp_byte(TXDUMMY);
75
76 /* Lets drag them out one at a time */
77 while (count--) {
78 /* Exchange TxDummy for location (keymap[kbddata]) */
79 kbd_data = jornada_ssp_byte(TXDUMMY);
80
81 input_report_key(jornadakbd->input,
82 jornadakbd->keymap[kbd_data & 0x7f],
83 !(kbd_data & 0x80));
84 input_sync(jornadakbd->input);
85 }
86 }
87
88 /* release spinlock and turn off ssp */
89 jornada_ssp_end();
90
91 return IRQ_HANDLED;
92};
93
94static int __devinit jornada720_kbd_probe(struct platform_device *pdev)
95{
96 struct jornadakbd *jornadakbd;
97 struct input_dev *input_dev;
98 int i, err;
99
100 jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL);
101 input_dev = input_allocate_device();
102 if (!jornadakbd || !input_dev) {
103 err = -ENOMEM;
104 goto fail1;
105 }
106
107 platform_set_drvdata(pdev, jornadakbd);
108
109 memcpy(jornadakbd->keymap, jornada_std_keymap,
110 sizeof(jornada_std_keymap));
111 jornadakbd->input = input_dev;
112
113 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
114 input_dev->name = "HP Jornada 720 keyboard";
115 input_dev->phys = "jornadakbd/input0";
116 input_dev->keycode = jornadakbd->keymap;
117 input_dev->keycodesize = sizeof(unsigned short);
118 input_dev->keycodemax = ARRAY_SIZE(jornada_std_keymap);
119 input_dev->id.bustype = BUS_HOST;
120 input_dev->dev.parent = &pdev->dev;
121
122 for (i = 0; i < ARRAY_SIZE(jornadakbd->keymap); i++)
123 __set_bit(jornadakbd->keymap[i], input_dev->keybit);
124 __clear_bit(KEY_RESERVED, input_dev->keybit);
125
126 err = request_irq(IRQ_GPIO0,
127 jornada720_kbd_interrupt,
128 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
129 "jornadakbd", pdev);
130 if (err) {
131 printk(KERN_INFO "jornadakbd720_kbd: Unable to grab IRQ\n");
132 goto fail1;
133 }
134
135 err = input_register_device(jornadakbd->input);
136 if (err)
137 goto fail2;
138
139 return 0;
140
141 fail2: /* IRQ, DEVICE, MEMORY */
142 free_irq(IRQ_GPIO0, pdev);
143 fail1: /* DEVICE, MEMORY */
144 platform_set_drvdata(pdev, NULL);
145 input_free_device(input_dev);
146 kfree(jornadakbd);
147 return err;
148};
149
150static int __devexit jornada720_kbd_remove(struct platform_device *pdev)
151{
152 struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
153
154 free_irq(IRQ_GPIO0, pdev);
155 platform_set_drvdata(pdev, NULL);
156 input_unregister_device(jornadakbd->input);
157 kfree(jornadakbd);
158
159 return 0;
160}
161
162static struct platform_driver jornada720_kbd_driver = {
163 .driver = {
164 .name = "jornada720_kbd",
165 },
166 .probe = jornada720_kbd_probe,
167 .remove = __devexit_p(jornada720_kbd_remove),
168};
169
170static int __init jornada720_kbd_init(void)
171{
172 return platform_driver_register(&jornada720_kbd_driver);
173}
174
175static void __exit jornada720_kbd_exit(void)
176{
177 platform_driver_unregister(&jornada720_kbd_driver);
178}
179
180module_init(jornada720_kbd_init);
181module_exit(jornada720_kbd_exit);